We'll be posting a new chart on the current state of income inequality every day for the next couple of weeks. Our last installment looked at stagnating middle-class incomes.

Today, we look at both sides of the income split and how they've traded places. For the first time in a century, the top 10 percent of Americans control more than half of all income. If this trend persists, predicts economist Thomas Piketty, their share will rise to 60 percent by 2030.

We'll be posting a new chart on the current state of income inequality every day for the next couple of weeks. Yesterday's chart looked at the history of the 1 percent, from ancient Rome to today.

Today, another look at how middle-class incomes have been stuck in neutral while the rest of the economy has grown. In 2012, the median household income (adjusted for inflation) was the same as it was in 1996.

We'll be posting a new chart on the current state of income inequality every day for the next couple of weeks. Yesterday's chart looked at how the richest of the rich have enjoyed massive income gains for decades.

But wait, you say, isn't that the way it's always been? Yes and no. It's never been a bad time to be rich in America. But some times have been a lot better. In fact, the best time may be now, especially when you consider the amount of total income controlled by the top 1 percent since colonial times (with ancient Rome thrown in for comparison):

We'll be posting a new chart on the current state of income inequality every day for the next couple of weeks. Yesterday's chart looked at how the richest Americans bounced back from the Great Recession. Today's chart: How the richest of the rich have enjoyed massive income gains for decades.

Since 1980, the average real income of the 1 percent has shot up more than 175 percent while the bottom 90 percent's real income didn't budge. But as this chart shows, the vast majority of gains have gone to the tippy-top—the 1 percent of the 1 percent.

With Washington paralyzed on bread-and-butter issues and the midterms ahead, we put together a primer on the state of America's frozen paychecks. We'll be posting a new chart every day for the next couple of weeks. Today's chart: How the recovery left most Americans behind.

The Great Recession officially ended five years ago, but that's news for millions of Americans: A stunning 95 percent of income growth since the recovery started has gone to the superwealthy. The top 1 percent has captured almost all post-recession income growth. Compare that with how they did during these historic booms: